Science Essays

The proton is a subatomic particle with the symbol p or p+ and a positive electric charge of 1 elementary charge. The name proton was given to the hydrogen nucleus by Ernest Rutherford in 1920. The concept of a hydrogen-like particle as a constituent of other atoms was developed over …

As of today teens are fervent communicators. In the current childhood and adulthood, they make ways to communicate frequently with a variety of important people in their lives such as their friends and peers, teachers, coaches, bosses, a myriad of other adults and institution and most specially the parents. This …

Many studies and articles had been conducted and printed upon the effect of technologies upon the effects of Electronic Gadgets to students studying habit. We us the researchers define those effects and divide into its positive and negative effects. Among the effects of that is stated in this useful article …

Elizabeth Parker seeks a job as undersecretary of government agency. Once she gets it, she needs to integrate into the organization and accomplish something useful. Issues & Solutions How to get the job. She spends four months getting her friends to lobby for her – network triangulation technique. The job …

COMPETITIVE EXAMINATION FOR RECRUITMENT TO POSTS IN BS-17 UNDER THE FEDERAL GOVERNMENT, 2012 ENGLISH (Précis & Composition) 30 MINUTES MAXIMUM MARKS: 20 TIME ALLOWED: (PART-I MCQs) THREE HOURS (PART-II) 2 HOURS & 30 MINUTES MAXIMUM MARKS: 80 NOTE:(i) Candidate must write Q.No. in the Answer Book in accordance with Q.No. …

The First KKK (Kataastaasan at Kagalanggalang Katipunan ng Mga Anak ng Bayan–The Highest and Most Honorable Society of the Sons of the Nation) Flag (1892) With the establishment of the Katipunan, Andres Bonifacio requested his wife, Gregoria de Jesus, and with the help of Benita Rodriguez to create a flag …

INTRODUCTION The protection system is one o the important aspect on which major manufacturers is concentrating. The companies like L&T, SIMENS etc. The protection system not only provides durability to the equipment but also avoid hazards. The protection system is one of the major fields in the electrical engineering. There …

1.)What is Osmosis? Osmosis is the diffusion of the movement of water from a region of higher concentration to a region of lower concentration through a cell membrane or other semi-permeable membrane until an equilibrium is reached. It is a special case of diffusion (passive transport). Basic Explanation : Osmosis …

The mechanism for evolution is called Natural Selection to distinguish it from Artificial Selection. Evolution occurs at the population level because genetics don’t change. The frequencies of different genetic types (genotypes) within a population do change over time & can create new species. There is genetic variation in all populations; …

A. DNA Extraction Virtual Lab [2 marks] Question 1 [1.0 mark] Isolate nucleated cells into eppendorf tube (correct starting step). Add 500 ul 10% SDS and 55 ul proteinase K (10 mg/ml stock). Incubate at 37ºC with gentle mixing or rocking. Add 1.4 ml saturated NaCl solution (approximately 6M). Spin …